
Trắc nghiệm về Đơn chất Halogen
Authored by dieu linh
Chemistry
12th Grade
Used 2+ times

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50 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cấu hình electron nào của nguyên tử halogen?
1s22s22p6.
1s22s22p63s2.
1s22s22p63s23p5.
1s22s22p63s23p64s23d7.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Muối nào có nhiều nhất trong nước biển với nồng độ khoảng 3%?
NaCl.
KCl.
MgCl2.
NaF.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Khi đun nóng, chất thăng hoa chuyển từ thể rắn sang thể hơi màu tím là
F2.
Br2.
I2.
Cl2.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong dãy halogen, nguyên tử có độ âm điện nhỏ nhất là
fluorine.
chlorine.
bromine.
iodine.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong tự nhiên, các nguyên tố nhóm VIIA chủ yếu tồn tại dưới dạng
muối.
phân tử hai nguyên tử.
hydroxide.
acidic oxide.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong nhóm halogen, từ fluorine đến iodine, bán kính nguyên tử biến đổi như thế nào?
Giảm dần.
Không đổi.
Tăng dần.
Tuần hoàn.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong nhóm halogen, từ fluorine đến iodine, nhiệt độ nóng chảy biến đổi thế nào?
Giảm dần.
Tăng dần.
Không đổi.
Tuần hoàn.
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